Johnson, G. L., & Zerby, L. K. (1973). What economists do about values: Case studies of their answers to questions they don't dare ask. Dept. of Agricultural Economics, Michigan State University.
Čikaški stil citiranja (17. izdanje)Johnson, Glenn L., i Lewis K. Zerby. What Economists Do About Values: Case Studies of Their Answers to Questions They Don't Dare Ask. East Lansing: Dept. of Agricultural Economics, Michigan State University, 1973.
MLA način citiranja (8. izdanje)Johnson, Glenn L., i Lewis K. Zerby. What Economists Do About Values: Case Studies of Their Answers to Questions They Don't Dare Ask. Dept. of Agricultural Economics, Michigan State University, 1973.
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